Holosun HS515GM Enclosed Micro Red Dot Sight

Holosun HS515GM Enclosed Micro Red Dot Sight – Multi-Reticle, Solar Failsafe, QD Mount

The Holosun HS515GM is a duty-grade enclosed micro red dot built for rifles and carbines that require consistent performance in harsh environments. Designed with a rugged 7075-T6 aluminum housing, advanced power management, and a versatile Multi-Reticle System (MRS), this optic delivers fast target acquisition, long battery life, and mission-ready reliability in a compact footprint.

Advanced Multi-Reticle System for Versatility

Adapt your sight picture to your shooting application with Holosun’s Multi-Reticle System:

• 2 MOA dot for precision shooting
• 65 MOA circle for rapid target acquisition
• Circle-dot combination for balanced performance
• Quick switching without re-zeroing

Solar Failsafe + Extended Battery Life

The HS515GM is built for long-term reliability with redundant power systems:

• Solar Failsafe automatically adjusts brightness in changing light
• Backup solar power keeps the optic running in emergencies
• Up to 50,000 hours of battery life on a CR2032 battery
• Side-loading battery tray for quick replacement without removing the optic

Shake Awake Technology for Instant Readiness

Motion-sensing activation ensures your optic is always ready when you are:

• Automatically powers on with movement
• Powers down during inactivity to conserve battery
• Maintains last brightness setting with memory function

Durable Enclosed Design for Harsh Conditions

• 7075-T6 aluminum housing for superior strength
• Hard anodized finish for corrosion resistance
• IP68 waterproof and dustproof rating
• Integrated flip-up lens caps for protection
• Shock-resistant up to 1000G

QD Mount & Co-Witness Compatibility

The included quick detach mount ensures fast installation and reliable alignment:

• Lower 1/3 co-witness height (1.63")
• Compatible with standard Picatinny rails
• Quick detach lever for rapid removal and reattachment

Key Features

• Enclosed micro red dot optic for rifles and carbines
• Multi-Reticle System (2 MOA dot / 65 MOA circle / combo)
• Solar Failsafe with automatic brightness adjustment
• Shake Awake motion activation
• Up to 50,000-hour battery life
• Side-mounted CR2032 battery tray
• 12 brightness settings (8 daylight + 4 night vision)
• 7075-T6 aluminum construction
• IP68 waterproof and dustproof
• QD lower 1/3 co-witness mount included

Specifications

• Magnification: 1x
• Reticle: 2 MOA Dot & 65 MOA Circle
• Light Source: LED (650nm)
• Battery Type: CR2032
• Battery Life: Up to 50,000 hours
• Brightness Settings: 8 Daylight / 4 Night Vision
• Adjustment Per Click: 0.5 MOA
• Windage/Elevation Range: ±50 MOA
• Housing Material: 7075-T6 Aluminum
• Waterproof Rating: IP68
• Operating Temperature: -30°C to 60°C
• Storage Temperature: -40°C to 70°C
• Window Size: 0.78"
• Dimensions: 2.75" x 1.43" x 1.63"
• Weight: 3.74 oz

Compatibility

• Fits rifles and carbines with Picatinny rail systems
• Compatible with AR-15 platforms and similar firearms
• Lower 1/3 co-witness with standard AR iron sights

Important Notes

• Not compatible with proprietary mounting systems without Picatinny adapter
• Night vision settings require compatible night vision devices
• Ensure proper torque when mounting for optimal zero retention

Why Choose the Holosun HS515GM?

The HS515GM combines durability, intelligent power management, and adaptable reticle options into a compact enclosed optic trusted by professionals and enthusiasts alike. Whether you're running a duty rifle, defensive carbine, or range setup, this optic delivers consistent performance, fast acquisition, and long-term reliability when it matters most.

Frequently Asked Questions

Is the HS515GM a fully enclosed red dot?

Yes, the HS515GM features an enclosed emitter design that protects the internal components from debris, moisture, and environmental exposure.

Does switching reticles affect zero?

No, the Multi-Reticle System allows you to switch between reticle options without changing your zero.

How long does the battery last?

The optic can run up to 50,000 hours on setting 6 using a CR2032 battery.

Can I replace the battery without removing the optic?

Yes, the side-loading battery tray allows quick replacement without removing the optic or losing zero.

Is this optic night vision compatible?

Yes, it includes 4 night vision-compatible brightness settings.

What mounting system does it use?

The HS515GM includes a quick detach Picatinny mount with a lower 1/3 co-witness height.

Is this optic waterproof?

Yes, it is rated IP68, meaning it is fully sealed against dust and can withstand water submersion.

What type of firearm is this best suited for?

This optic is ideal for AR-15 platforms, carbines, and other rifles requiring a compact, durable red dot sight.